+ model->switch_to_master(new ModelAction(ATOMIC_FENCE, ord, FENCE_LOCATION));
+}
+
+/* --- helper functions --- */
+uint64_t model_rmwrcas_action_helper(void *obj, int atomic_index, const char *position) {
+ return model->switch_to_master(
+ new ModelAction(ATOMIC_RMWRCAS, position, orders[atomic_index], obj)
+ );
+}
+
+uint64_t model_rmwr_action_helper(void *obj, int atomic_index, const char *position) {
+ return model->switch_to_master(
+ new ModelAction(ATOMIC_RMWR, position, orders[atomic_index], obj)
+ );
+}
+
+void model_rmw_action_helper(void *obj, uint64_t val, int atomic_index, const char * position) {
+ model->switch_to_master(
+ new ModelAction(ATOMIC_RMW, position, orders[atomic_index], obj, val)
+ );
+}
+
+void model_rmwc_action_helper(void *obj, int atomic_index, const char *position) {
+ model->switch_to_master(
+ new ModelAction(ATOMIC_RMWC, position, orders[atomic_index], obj)
+ );
+}
+
+// cds atomic inits
+void cds_atomic_init8(void * obj, uint8_t val, const char * position) {
+ model->switch_to_master(
+ new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val)
+ );
+}
+void cds_atomic_init16(void * obj, uint16_t val, const char * position) {
+ model->switch_to_master(
+ new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val)
+ );
+}
+void cds_atomic_init32(void * obj, uint32_t val, const char * position) {
+ model->switch_to_master(
+ new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val)
+ );
+}
+void cds_atomic_init64(void * obj, uint64_t val, const char * position) {
+ model->switch_to_master(
+ new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, val)
+ );
+}
+
+
+// cds atomic loads
+uint8_t cds_atomic_load8(void * obj, int atomic_index, const char * position) {
+ return (uint8_t) ( model->switch_to_master(
+ new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj))
+ );
+}
+uint16_t cds_atomic_load16(void * obj, int atomic_index, const char * position) {
+ return (uint16_t) ( model->switch_to_master(
+ new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj))
+ );
+}
+uint32_t cds_atomic_load32(void * obj, int atomic_index, const char * position) {
+ return (uint32_t) ( model->switch_to_master(
+ new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj))
+ );
+}
+uint64_t cds_atomic_load64(void * obj, int atomic_index, const char * position) {
+ return model->switch_to_master(
+ new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj)
+ );
+}
+
+// cds atomic stores
+void cds_atomic_store8(void * obj, uint8_t val, int atomic_index, const char * position) {
+ model->switch_to_master(
+ new ModelAction(ATOMIC_WRITE, position, orders[atomic_index], obj, (uint64_t) val)
+ );
+}
+void cds_atomic_store16(void * obj, uint16_t val, int atomic_index, const char * position) {
+ model->switch_to_master(
+ new ModelAction(ATOMIC_WRITE, position, orders[atomic_index], obj, (uint64_t) val)
+ );
+}
+void cds_atomic_store32(void * obj, uint32_t val, int atomic_index, const char * position) {
+ model->switch_to_master(
+ new ModelAction(ATOMIC_WRITE, position, orders[atomic_index], obj, (uint64_t) val)
+ );
+}
+void cds_atomic_store64(void * obj, uint64_t val, int atomic_index, const char * position) {
+ model->switch_to_master(
+ new ModelAction(ATOMIC_WRITE, position, orders[atomic_index], obj, val)
+ );
+}
+
+#define _ATOMIC_RMW_(__op__, size, addr, val, atomic_index, position) \
+ ({ \
+ uint ## size ## _t _old = model_rmwr_action_helper(addr, atomic_index, position); \
+ uint ## size ## _t _copy = _old; \
+ uint ## size ## _t _val = val; \
+ _copy __op__ _val; \
+ model_rmw_action_helper(addr, (uint64_t) _copy, atomic_index, position); \
+ return _old; \
+ })
+
+// cds atomic exchange
+uint8_t cds_atomic_exchange8(void* addr, uint8_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( =, 8, addr, val, atomic_index, position);
+}
+uint16_t cds_atomic_exchange16(void* addr, uint16_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( =, 16, addr, val, atomic_index, position);
+}
+uint32_t cds_atomic_exchange32(void* addr, uint32_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( =, 32, addr, val, atomic_index, position);
+}
+uint64_t cds_atomic_exchange64(void* addr, uint64_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( =, 64, addr, val, atomic_index, position);
+}
+
+// cds atomic fetch add
+uint8_t cds_atomic_fetch_add8(void* addr, uint8_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( +=, 8, addr, val, atomic_index, position);
+}
+uint16_t cds_atomic_fetch_add16(void* addr, uint16_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( +=, 16, addr, val, atomic_index, position);
+}
+uint32_t cds_atomic_fetch_add32(void* addr, uint32_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( +=, 32, addr, val, atomic_index, position);
+}
+uint64_t cds_atomic_fetch_add64(void* addr, uint64_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( +=, 64, addr, val, atomic_index, position);
+}
+
+// cds atomic fetch sub
+uint8_t cds_atomic_fetch_sub8(void* addr, uint8_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( -=, 8, addr, val, atomic_index, position);
+}
+uint16_t cds_atomic_fetch_sub16(void* addr, uint16_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( -=, 16, addr, val, atomic_index, position);
+}
+uint32_t cds_atomic_fetch_sub32(void* addr, uint32_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( -=, 32, addr, val, atomic_index, position);
+}
+uint64_t cds_atomic_fetch_sub64(void* addr, uint64_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( -=, 64, addr, val, atomic_index, position);
+}
+
+// cds atomic fetch and
+uint8_t cds_atomic_fetch_and8(void* addr, uint8_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( &=, 8, addr, val, atomic_index, position);
+}
+uint16_t cds_atomic_fetch_and16(void* addr, uint16_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( &=, 16, addr, val, atomic_index, position);
+}
+uint32_t cds_atomic_fetch_and32(void* addr, uint32_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( &=, 32, addr, val, atomic_index, position);
+}
+uint64_t cds_atomic_fetch_and64(void* addr, uint64_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( &=, 64, addr, val, atomic_index, position);
+}
+
+// cds atomic fetch or
+uint8_t cds_atomic_fetch_or8(void* addr, uint8_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( |=, 8, addr, val, atomic_index, position);
+}
+uint16_t cds_atomic_fetch_or16(void* addr, uint16_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( |=, 16, addr, val, atomic_index, position);
+}
+uint32_t cds_atomic_fetch_or32(void* addr, uint32_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( |=, 32, addr, val, atomic_index, position);
+}
+uint64_t cds_atomic_fetch_or64(void* addr, uint64_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( |=, 64, addr, val, atomic_index, position);
+}
+
+// cds atomic fetch xor
+uint8_t cds_atomic_fetch_xor8(void* addr, uint8_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( ^=, 8, addr, val, atomic_index, position);
+}
+uint16_t cds_atomic_fetch_xor16(void* addr, uint16_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( ^=, 16, addr, val, atomic_index, position);
+}
+uint32_t cds_atomic_fetch_xor32(void* addr, uint32_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( ^=, 32, addr, val, atomic_index, position);
+}
+uint64_t cds_atomic_fetch_xor64(void* addr, uint64_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( ^=, 64, addr, val, atomic_index, position);
+}
+
+// cds atomic compare and exchange
+// In order to accomodate the LLVM PASS, the return values are not true or false.
+
+#define _ATOMIC_CMPSWP_WEAK_ _ATOMIC_CMPSWP_
+#define _ATOMIC_CMPSWP_(size, addr, expected, desired, atomic_index, position) \
+ ({ \
+ uint ## size ## _t _desired = desired; \
+ uint ## size ## _t _expected = expected; \
+ uint ## size ## _t _old = model_rmwrcas_action_helper(addr, atomic_index, position); \
+ if (_old == _expected) { \
+ model_rmw_action_helper(addr, (uint64_t) _desired, atomic_index, position); return _expected; } \
+ else { \
+ model_rmwc_action_helper(addr, atomic_index, position); _expected = _old; return _old; } \
+ })
+
+// atomic_compare_exchange version 1: the CmpOperand (corresponds to expected)
+// extracted from LLVM IR is an integer type.
+
+uint8_t cds_atomic_compare_exchange8_v1(void* addr, uint8_t expected, uint8_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position )
+{
+ _ATOMIC_CMPSWP_(8, addr, expected, desired,
+ atomic_index_succ, position);
+}
+uint16_t cds_atomic_compare_exchange16_v1(void* addr, uint16_t expected, uint16_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position)
+{
+ _ATOMIC_CMPSWP_(16, addr, expected, desired,
+ atomic_index_succ, position);
+}
+uint32_t cds_atomic_compare_exchange32_v1(void* addr, uint32_t expected, uint32_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position)
+{
+ _ATOMIC_CMPSWP_(32, addr, expected, desired,
+ atomic_index_succ, position);
+}
+uint64_t cds_atomic_compare_exchange64_v1(void* addr, uint64_t expected, uint64_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position)
+{
+ _ATOMIC_CMPSWP_(64, addr, expected, desired,
+ atomic_index_succ, position);
+}
+
+// atomic_compare_exchange version 2
+bool cds_atomic_compare_exchange8_v2(void* addr, uint8_t* expected, uint8_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position )
+{
+ uint8_t ret = cds_atomic_compare_exchange8_v1(addr, *expected,
+ desired, atomic_index_succ, atomic_index_fail, position);
+ if (ret == *expected) return true;
+ else return false;
+}
+bool cds_atomic_compare_exchange16_v2(void* addr, uint16_t* expected, uint16_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position)
+{
+ uint16_t ret = cds_atomic_compare_exchange16_v1(addr, *expected,
+ desired, atomic_index_succ, atomic_index_fail, position);
+ if (ret == *expected) return true;
+ else return false;
+}
+bool cds_atomic_compare_exchange32_v2(void* addr, uint32_t* expected, uint32_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position)
+{
+ uint32_t ret = cds_atomic_compare_exchange32_v1(addr, *expected,
+ desired, atomic_index_succ, atomic_index_fail, position);
+ if (ret == *expected) return true;
+ else return false;
+}
+bool cds_atomic_compare_exchange64_v2(void* addr, uint64_t* expected, uint64_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position)
+{
+ uint64_t ret = cds_atomic_compare_exchange64_v1(addr, *expected,
+ desired, atomic_index_succ, atomic_index_fail, position);
+ if (ret == *expected) return true;
+ else return false;